On 30/04/2004, at 7:21 AM, Gerhard Kuhn wrote: > A battery on laptop should give you 3 years of reasonable service > before it needs to be replaced. The life of the battery depends on > the number charge/discharge cycles, storage temperature and they just > deteriorate over time. An inventor in New Zealand has demonstrated a charger that will renew "dead" rechargeable batteries. Very clever electrical engineering. I guess Union Carbide will buy him out? Neville Thomas